The Justice Department on Thursday dropped its criminal case against President Trump’s former national security adviser Michael Flynn.

In court documents, the Justice Department said it dropped the case “after a considered review of all the facts and circumstances of this case, including newly discovered and disclosed information.”

A proposed order presented to US District Judge Emmet Sullivan would dismiss the case “with prejudice,” meaning the same charges cannot be brought in the future.

Trump told reporters in the Oval Office Thursday he was not told in advance, but that he “felt it was going to happen.”

“I hope a lot of people are going to pay a big price. They’re scum,” Trump said.

In its filing, the Justice Department said it concluded that Flynn’s interview by the FBI was “untethered to, and unjustified by, the FBI’s counterintelligence investigation into Mr. Flynn” and that the interview on Jan. 24, 2017, was “conducted without any legitimate investigative basis.”

The US attorney reviewing the Flynn case, Jeff Jensen, recommended the move to Attorney General William Barr last week and formalized the recommendation in a document this week.

“Through the course of my review of General Flynn’s case, I concluded the proper and just course was to dismiss the case,” Jensen said in a statement to the Associated Press. “I briefed Attorney General Barr on my findings, advised him on these conclusions, and he agreed.”

A Justice Department spokeswoman did not immediately respond to The Post’s request for comment.

Last week, Trump amplified a Justice Department document release in Flynn’s case that included a handwritten note from former FBI counterintelligence director Bill Priestap. After he met with then-FBI Director James Comey and then-Deputy Director Andrew McCabe, Priestap wrote: “What’s our goal? Truth/Admission or to get him to lie, so we can prosecute him or get him fired?”

“He’s in the process of being exonerated if you looked at those notes,” Trump said. “These were dirty, filthy cops at the top of the FBI.”

A different document indicates that the FBI was prepared to close an investigation into Flynn before Trump took office in January 2017.

About two weeks before Trump’s inauguration, anti-Trump former FBI official Peter Strzok wrote: “Hey, don’t close RAZOR,” using the codeword for a probe into whether Flynn was a Russian agent. Strzok wrote that “7th floor involved,” referring to FBI leadership.

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Trump routinely charges that Strzok, McCabe and Comey treated him and his associates unfairly in the FBI’s Russia investigation.

In late 2017, Flynn pleaded guilty to lying to FBI agents about two contacts with then-Russian Ambassador Sergey Kislyak. Flynn was attempting to withdraw his guilty plea ahead of sentencing. He says he did not intentionally lie.

According to a plea document, Flynn lied to the FBI in January 2017 about two contacts — on Dec. 22 and Dec. 29, 2016 — with Kislyak. Both contacts were made during Trump’s presidential transition with the knowledge of other aides.

Prosecutors said one contact occurred after Flynn “called a senior official of the presidential transition team” to discuss sanctions and that the other contact occurred after a “very senior member of the transition team” directed an outreach effort regarding a United Nations vote.

At the time, the FBI was investigating whether Trump’s campaign colluded with Russia to undermine Hillary Clinton. Flynn agreed to cooperate with investigators in pleading guilty. In accepting a plea, he also avoided charges for working as an unregistered lobbyist for Turkey.

A subsequent investigation by special counsel Robert Mueller found no evidence of Trump-Russia collusion.

Lying to the FBI is a crime but isn’t always prosecuted. In what Flynn defenders see as a double standard, prosecutors recently decided not to prosecute McCabe, who was fired after an inspector general report identified multiple alleged lies to FBI officials about his role authorizing a leak to the media.